Question: As a member of Comecon, what did Bulat Okudzhave found?
Paraphrase: As a part of Comecon, what did Bulat Okudzhave found?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q239652 wdt:P740 ?answer . ?answer wdt:P463 wd:Q191582}
Answer: Soviet Union